
\begin{tabular}{lr}
\toprule
Total years & 23\\
Total groups & 30\\
Total items & 32\\
Total responses & 768,417\\
Ave items per year & 16\\
\addlinespace
Ave items per group & 32\\
Ave responses per year & 33,409\\
Ave responses per group & 25,614\\
Ave responses per item & 24,013\\
Pct item-year missing & 51\\
\addlinespace
Pct item-groups missing & 0\\
Pct item-group-year missing & 54\\
\bottomrule
\end{tabular}
